257104157 has 8 divisors (see below), whose sum is σ = 267398400. Its totient is φ = 246986064.

The previous prime is 257104151. The next prime is 257104163. The reversal of 257104157 is 751401752.

It is an interprime number because it is at equal distance from previous prime (257104151) and next prime (257104163).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 257104157 - 2²⁶ = 189995293 is a prime.

It is a super-2 number, since 2×257104157² = 132205095093361298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257104151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41057 + ... + 46902.

It is an arithmetic number, because the mean of its divisors is an integer number (33424800).

Almost surely, 2^257104157 is an apocalyptic number.

It is an amenable number.

257104157 is a deficient number, since it is larger than the sum of its proper divisors (10294243).

257104157 is an equidigital number, since it uses as much as digits as its factorization.

257104157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88075.

The product of its (nonzero) digits is 9800, while the sum is 32.

The square root of 257104157 is about 16034.4677803786. The cubic root of 257104157 is about 635.8719968717.

The spelling of 257104157 in words is "two hundred fifty-seven million, one hundred four thousand, one hundred fifty-seven".